Imipramine is a type of anti-depressant that can be used to control bed-wetting. It is thought to have an affect on the muscles of the bladder or the hormones controlling the release of urine and should decrease the chances of bed-wetting, even if it is only for a short period of time. Imipramine is not recommended for long-term use and there are side-effects that should be discussed with your doctor.